… introduced by changes in the illuminant). Similarly, opponent … tightly bound to pronounced
and stable properties of the world … within a color space defined by the two color-opponent axes …

… In crabs, the signal … illumination will prevent the binding of intensity-based features in the
environment, but an object could still show polarization contrasts against the relatively stable …

… Color-opponent theory was revived by the classic … to remain stable despite spatial or temporal
variations within the individual. … In measures of scenes shown under different illuminants, …

… signaling by individual opsin classes. Remarkably, we find many (∼25%) LGN cells are color
opponent, … a substantial change in color) rather than in synchronous changes in excitation …

… For color constancy to occur, changes in illumination or lighting … Firstly, color opponent
signals at the earliest stages of the … a different color under different illumination conditions, but …

… while illumination changes slowly across a visual scene. … , the change in illumination is
removed from the visual signal. … LGN neurons, which reflect their color-opponent RGC inputs. …

… job of maintaining stable color appearance under widely varying illumination conditions. …
role under dim illumination. The contributions of amacrine cells to color opponent surrounds of …

… cautiously inserted until a unique stable stream was obtained, … small white and black spots,
color-opponent GC (one of many … respond to overall changes in illumination. Information on …

… ' colour discrimination under changing illumination and their … signals (receptoral or
postreceptoral) in response to spectral … necessarily be neutral, but rather stable across scenes …

… Daily changes in ambient illumination act as important time … To maintain a stable phase
relationship with the environment, … are color opponent and many SCN cells receive signals from …